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Finding the Fourth Proportional to 308,032.30, 462,117.30 and 108,359.20

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Solution

The fourth proportional to 308,032.30, 462,117.30 and 108,359.20 is: 162,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,032.30 : 462,117.30 = 108,359.20 : x
  2. Step 2: Convert to fraction form
    308,032.30/462,117.30 = 108,359.20/x
  3. Step 3: Cross multiply
    308,032.30x = 462,117.30 × 108,359.20
  4. Step 4: Simplify right side
    308,032.30x = 50,074,660,934.16
  5. Step 5: Solve for x
    x = 50,074,660,934.16/308,032.30
  6. Step 6: Final answer
    x = 162,563.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.